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iphone 4s videos won't play in Quicktime

Hello. I've recently downloaded the lastest iphone 4s software (this may have nothing to do with the problem I have) and I've discovered that whilst the videos I've taken with the iphone camera video play on the phone itself, they won't play in Quicktime (or Real) when I've synced the phone ot the computer. The audio plays but the screen is black. I've taken 6 videos and all are the same. I've played an earlier video taken some months ago and that does play both sound and pictures. Funny thing is, when i upload the movie file (the one that plays only sound with ablack screen) from my computer to You Tube, the picture magically reappears again!


Any help would be much appreciated. Thank you.

iPhone 4S, Windows Vista

Posted on Sep 30, 2012 9:12 AM

Reply
75 replies

Jan 14, 2013 1:17 AM in response to Nick17700

Yes, I have the same problem. I download my iphone 5 videos ot my PC and they play all choppy. Same if I open with itunes. But they play fine through the phone or if I upload them to facebook. Also, my PC re-transfers all my videos everyime I click to download new pictures as it doesn't seem to recognise them as already existing on the computer. I hope the next version of Quicktime fixes this if that is the problem. I am going to uninstall and then download 7.6 as suggested...

Apr 24, 2013 8:48 AM in response to Nick17700

Hi guys, I also have the same problem. I took a video longer than 30 minutes with my iphone 4s, ios 6.1.2. This video's size is 4.6 GB. Works fine on iphone but not working on PC with QT 7.7.3. Can you show me how to convert this video (MOV) to MP4? I've tried some softwares such as Total Video Converter, Format Factory Converter Pro,... but they're not supported.

Thanks!

iphone 4s videos won't play in Quicktime

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